Mark MacEwen / Broad snouted caiman (Caiman latirostris) baby in mothers mouth being carried from nest, Sante Fe, Argentina, February

Mark Carwardine / Great white shark (Carcharodon carcharias) underwater, Guadalupe Island, Mexico (North Pacific)

David Shale / Fang Tooth {Anoplogaster cornuta} close-up of head showing teeth, from the Mid-Atlantic Ridge, 2600m

Anup Shah / Nile crocodile holding newly hatched young in mouth {Crocodylus niloticus} Kenya

David Shale / Deep sea Anglerfish {Himantolophus sp} female with lure projecting from head to attract prey, Atlantic ocean. Anglerfish have small poorly developed eyes but detect movement and prey through a well de...

Doug Perrine / Great white shark jaws open at surface {Carcharodon carcharias} South Africa (Non-ex).

David Shale / Deep sea Anglerfish {Melanocoetus sp} female with lure projecting from head to attract prey. Atlantic ocean

Paul Williams / Lion (Panthera leo) close up of teeth while its snarling, captive.

Alex Mustard / Tiger cardinalfish (Cheilodipterus macrodon) male mouth brooding a clutch of eggs behind his sharp teeth. Gubal Island, Egypt. Strait Of Gubal, Red Sea.

Piotr Naskrecki / Angolan free-tailed bat (Mops condylurus) close up of teeth. Codzo Caves, Mazamba, Sofala, Mozambique. Controlled conditions

Piotr Naskrecki / Angolan free-tailed bat (Mops condylurus) close up of teeth. Codzo Caves, Mazamba, Sofala, Mozambique. Controlled conditions

David Fleetham / Jaws and teeth of Stout Moray (Gymnothorax eurostus). Hawaii.